From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752016AbbAOIpB (ORCPT ); Thu, 15 Jan 2015 03:45:01 -0500 Received: from mail.skyhub.de ([78.46.96.112]:54568 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751175AbbAOIo7 (ORCPT ); Thu, 15 Jan 2015 03:44:59 -0500 From: Borislav Petkov To: KVM Cc: LKML Subject: [PATCH] kvm: Fix CR3_PCID_INVD type on 32-bit Date: Thu, 15 Jan 2015 09:44:56 +0100 Message-Id: <1421311496-18028-1-git-send-email-bp@alien8.de> X-Mailer: git-send-email 2.2.0.33.gc18b867 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Borislav Petkov arch/x86/kvm/emulate.c: In function ‘check_cr_write’: arch/x86/kvm/emulate.c:3552:4: warning: left shift count >= width of type rsvd = CR3_L_MODE_RESERVED_BITS & ~CR3_PCID_INVD; happens because sizeof(UL) on 32-bit is 4 bytes but we shift it 63 bits to the left. Signed-off-by: Borislav Petkov --- arch/x86/include/asm/kvm_host.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index d89c6b828c96..a8d07a060136 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -51,7 +51,7 @@ | X86_CR0_NW | X86_CR0_CD | X86_CR0_PG)) #define CR3_L_MODE_RESERVED_BITS 0xFFFFFF0000000000ULL -#define CR3_PCID_INVD (1UL << 63) +#define CR3_PCID_INVD BIT_64(63) #define CR4_RESERVED_BITS \ (~(unsigned long)(X86_CR4_VME | X86_CR4_PVI | X86_CR4_TSD | X86_CR4_DE\ | X86_CR4_PSE | X86_CR4_PAE | X86_CR4_MCE \ -- 2.2.0.33.gc18b867